Mexican authorities searching for 43 missing college students have found human remains in a new area of southern Guerrero state and are testing to see if they belong to the young men who last were seen in police custody a month ago, a government official said Monday.

Authorities came upon the new location based on statements from four people arrested early Monday, said the official, who spoke on condition of anonymity because he was not authorized to speak to the press. The new remains were found in Cocula, a town about 17 kilometres from where the students last...